lituus

连锁螺线

发音

其它 /ˈlɪtju.əs/
US /ˈlɪtju.əs/

词形变化

litui 复数 litui

释义与例句

n.
  1. 1.

    A military trumpet.

    1786: Fig. 3. A Roman Lituus, or military trumpet, such as is mentioned by Horace in his first ode. — Francis Grose, A Treatise on Ancient Armour and Weapons, page vi.

  2. 2.

    An augur's staff with a recurved top.

  3. 3.

    A curve with polar equation r²θ=a², where a is a constant.

    数学

词源

Unadapted borrowing from Latin lituus.

来源：wiktionary